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		                             National Stock Number: 4820-99-147-1619
  Federal Supply Class: 4820
  National Item Identification Number: 991471619
  Description: VALVE,SAFETY RELIEF
  Detail: A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE. 
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  Manufacturer Information:
 | NC40984 | K0207 | HALE HAMILTON (VALVES) LIMITED |  | NC40984 PL7466C | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |   
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  Techincal Specification:
 | THREAD QUANTITY PER INCH | 12 2ND END |  | THREAD SERIES DESIGNATOR | UNF 2ND END |  | CONNECTION TYPE | THREADED INTERNAL HOSE 2ND END |  | CONNECTION TYPE | UNTHREADED EXTERNAL PIPE 1ST END |  | CONNECTION STYLE | PLAIN,OPTIONAL END(PIPE) 2ND END |  | CONNECTION STYLE | SOCKET ERR-100 |  | FLOW CONTROL DEVICE | STEM |  | MATERIAL | COPPER ALLOY BODY |  | MATERIAL | COPPER ALLOY SEAT |  | MATERIAL | STEEL CORROSION RESISTING FLOW CONTROL DEVICE |  | MAXIMUM OPERATING PRESSURE | 520.0 POUNDS PER SQUARE INCH SINGLE RESPONSE |  | MEDIA FOR WHICH DESIGNED | NITROGEN, GASEOUS 2ND RESPONSE |  | MEDIA FOR WHICH DESIGNED | AIR 1ST RESPONSE |  | NOMINAL PIPE SIZE ACCOMMODATED | 1.875 INCHES 1ST END |  | NOMINAL THREAD SIZE | 1.500 INCHES 2ND END |  | STYLE DESIGNATOR | ANGLE |  | THREAD CLASS | 2B 2ND END |  | THREAD DIRECTION | RIGHT-HAND 2ND END |   
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